2021年1月30日
1031 Hello World for U (20分)
摘要： Given any string of N (≥) characters, you are asked to form the characters into the shape of U. For example, helloworld can be printed as: h d e l l r 阅读全文
posted @ 2021-01-30 22:20 XA科研 阅读(62) 评论(0) 推荐(0) 编辑